| 摘要 |
A pneumatic valve (1) comprises a gas passage tube (10), a plug member (20), an elastic member (30) and an adjustment member (40), wherein the gas passage tube is connected with the adjustment member and has a gas inlet (11) and at least one first opening (12), the first opening being arranged between the gas inlet and the adjustment member; the plug member is disposed in the gas passage tube and has a blocking portion (21), the blocking portion having a first end (21a) proximal to the gas inlet and a second end (21b) distal from the gas inlet, the first end and the second end being located at two sides of the first opening respectively; and the elastic member is arranged between the plug member and the adjustment member. |
